Home / 5,718.44-8,578.04-2,258.12

Finding the Fourth Proportional to 5,718.44, 8,578.04 and 2,258.12

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Solution

The fourth proportional to 5,718.44, 8,578.04 and 2,258.12 is: 3,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.44 : 8,578.04 = 2,258.12 : x
  2. Step 2: Convert to fraction form
    5,718.44/8,578.04 = 2,258.12/x
  3. Step 3: Cross multiply
    5,718.44x = 8,578.04 × 2,258.12
  4. Step 4: Simplify right side
    5,718.44x = 19,370,243.68
  5. Step 5: Solve for x
    x = 19,370,243.68/5,718.44
  6. Step 6: Final answer
    x = 3,387.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.